Finding the Fourth Proportional to 85,825.08, 118,464.48 and 55,612.08
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Solution
The fourth proportional to 85,825.08, 118,464.48 and 55,612.08 is: 76,761.43
Step by Step Solution
- Step 1: Write the proportion equation
85,825.08 : 118,464.48 = 55,612.08 : x - Step 2: Convert to fraction form
85,825.08/118,464.48 = 55,612.08/x - Step 3: Cross multiply
85,825.08x = 118,464.48 × 55,612.08 - Step 4: Simplify right side
85,825.08x = 6,588,056,138.92 - Step 5: Solve for x
x = 6,588,056,138.92/85,825.08 - Step 6: Final answer
x = 76,761.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.